package code3;

/**
 * @author noob
 * @version 1.0
 * @date 2021/3/16 11:42
 */
public class Test00 {
    public static void main(String[] args) {
        int left = 0;
        int right = 5;
        System.out.println((left+right)/2);//2 //向下取整
    }
}
